Холодный туман прошлого

As a result of a traffic accident, a young man named Semen dies. The guy fell asleep at the wheel and crashed into a truck. An examination revealed traces of a sleeping pill in the deceased's blood. The incident caught the attention of Colonel Gurkov of the Ministry of Internal Affairs. It became known that shortly before this, a close friend of Semen died from a drug overdose. Could these deaths be staged and somehow related? Gurkov decides to investigate the boys' past. He does not yet know that the threads of this tangled story will lead the investigation into a dense forest, to the gloomy shores of a swamp…